/*
* @(#)RowSetMetaData.java 1.8 03/12/19
*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
*/
package javax.sql;
import java.sql.*;
/**
* An object that contains information about the columns in a
* <code>RowSet</code> object. This interface is
* an extension of the <code>ResultSetMetaData</code> interface with
* methods for setting the values in a <code>RowSetMetaData</code> object.
* When a <code>RowSetReader</code> object reads data into a <code>RowSet</code>
* object, it creates a <code>RowSetMetaData</code> object and initializes it
* using the methods in the <code>RowSetMetaData</code> interface. Then the
* reader passes the <code>RowSetMetaData</code> object to the rowset.
* <P>
* The methods in this interface are invoked internally when an application
* calls the method <code>RowSet.execute</code>; an application
* programmer would not use them directly.
*
* @since 1.4
*/
public interface RowSetMetaData extends ResultSetMetaData {
/**
* Sets the number of columns in the <code>RowSet</code> object to
* the given number.
*
* @param columnCount the number of columns in the <code>RowSet</code> object
* @exception SQLException if a database access error occurs
*/
void setColumnCount(int columnCount) throws SQLException;
/**
* Sets whether the designated column is automatically numbered,
* and thus read-only. The default is for a <code>RowSet</code> object's
* columns not to be automatically numbered.
*
* @param columnIndex the first column is 1, the second is 2, ...
* @param property <code>true</code> if the column is automatically
* numbered; <code>false</code> if it is not
*
* @exception SQLException if a database access error occurs
*/
void setAutoIncrement(int columnIndex, boolean property) throws SQLException;
/**
* Sets whether the designated column is case sensitive.
* The default is <code>false</code>.
*
* @param columnIndex the first column is 1, the second is 2, ...
* @param property <code>true</code> if the column is case sensitive;
* <code>false</code> if it is not
*
* @exception SQLException if a database access error occurs
*/
void setCaseSensitive(int columnIndex, boolean property) throws SQLException;
/**
* Sets whether the designated column can be used in a where clause.
* The default is <code>false</code>.
*
* @param columnIndex the first column is 1, the second is 2, ...
* @param property <code>true</code> if the column can be used in a
* <code>WHERE</code> clause; <code>false</code> if it cannot
*
* @exception SQLException if a database access error occurs
*/
void setSearchable(int columnIndex, boolean property) throws SQLException;
/**
* Sets whether the designated column is a cash value.
* The default is <code>false</code>.
*
* @param columnIndex the first column is 1, the second is 2, ...
* @param property <code>true</code> if the column is a cash value;
* <code>false</code> if it is not
*
* @exception SQLException if a database access error occurs
*/
void setCurrency(int columnIndex, boolean property) throws SQLException;
/**
* Sets whether the designated column's value can be set to
* <code>NULL</code>.
* The default is <code>ResultSetMetaData.columnNullableUnknown</code>
*
* @param columnIndex the first column is 1, the second is 2, ...
* @param property one of the following constants:
* <code>ResultSetMetaData.columnNoNulls</code>,
* <code>ResultSetMetaData.columnNullable</code>, or
* <code>ResultSetMetaData.columnNullableUnknown</code>
*
* @exception SQLException if a database access error occurs
*/
void setNullable(int columnIndex, int property) throws SQLException;
/**
* Sets whether the designated column is a signed number.
* The default is <code>false</code>.
*
* @param columnIndex the first column is 1, the second is 2, ...
* @param property <code>true</code> if the column is a signed number;
* <code>false</code> if it is not
*
* @exception SQLException if a database access error occurs
*/
void setSigned(int columnIndex, boolean property) throws SQLException;
/**
* Sets the designated column's normal maximum width in chars to the
* given <code>int</code>.
*
* @param columnIndex the first column is 1, the second is 2, ...
* @param size the normal maximum number of characters for
* the designated column
*
* @exception SQLException if a database access error occurs
*/
void setColumnDisplaySize(int columnIndex, int size) throws SQLException;
/**
* Sets the suggested column title for use in printouts and
* displays, if any, to the given <code>String</code>.
*
* @param columnIndex the first column is 1, the second is 2, ...
* @param label the column title
* @exception SQLException if a database access error occurs
*/
void setColumnLabel(int columnIndex, String label) throws SQLException;
/**
* Sets the name of the designated column to the given <code>String</code>.
*
* @param columnIndex the first column is 1, the second is 2, ...
* @param columnName the designated column's name
* @exception SQLException if a database access error occurs
*/
void setColumnName(int columnIndex, String columnName) throws SQLException;
/**
* Sets the name of the designated column's table's schema, if any, to
* the given <code>String</code>.
*
* @param columnIndex the first column is 1, the second is 2, ...
* @param schemaName the schema name
* @exception SQLException if a database access error occurs
*/
void setSchemaName(int columnIndex, String schemaName) throws SQLException;
/**
* Sets the designated column's number of decimal digits to the
* given <code>int</code>.
*
* @param columnIndex the first column is 1, the second is 2, ...
* @param precision the total number of decimal digits
* @exception SQLException if a database access error occurs
*/
void setPrecision(int columnIndex, int precision) throws SQLException;
/**
* Sets the designated column's number of digits to the
* right of the decimal point to the given <code>int</code>.
*
* @param columnIndex the first column is 1, the second is 2, ...
* @param scale the number of digits to right of decimal point
* @exception SQLException if a database access error occurs
*/
void setScale(int columnIndex, int scale) throws SQLException;
/**
* Sets the designated column's table name, if any, to the given
* <code>String</code>.
*
* @param columnIndex the first column is 1, the second is 2, ...
* @param tableName the column's table name
* @exception SQLException if a database access error occurs
*/
void setTableName(int columnIndex, String tableName) throws SQLException;
/**
* Sets the designated column's table's catalog name, if any, to the given
* <code>String</code>.
*
* @param columnIndex the first column is 1, the second is 2, ...
* @param catalogName the column's catalog name
* @exception SQLException if a database access error occurs
*/
void setCatalogName(int columnIndex, String catalogName) throws SQLException;
/**
* Sets the designated column's SQL type to the one given.
*
* @param columnIndex the first column is 1, the second is 2, ...
* @param SQLType the column's SQL type
* @exception SQLException if a database access error occurs
* @see Types
*/
void setColumnType(int columnIndex, int SQLType) throws SQLException;
/**
* Sets the designated column's type name that is specific to the
* data source, if any, to the given <code>String</code>.
*
* @param columnIndex the first column is 1, the second is 2, ...
* @param typeName data source specific type name.
* @exception SQLException if a database access error occurs
*/
void setColumnTypeName(int columnIndex, String typeName) throws SQLException;
}
|
